Fish Feed Composition with Pepper and Methionine
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Solution Overview
Problem
Conventional fish feeds often promote rapid growth but lead to fattiness in fish, poor water quality due to ammonia production, and are not cost-effective, lacking a balanced composition that supports long-term fish development and water quality improvement.
Innovation Solution
A fish feed composition comprising 40-70% cereal flour, 15-30% aquatic animal flour, 10-20% extraction meal, 0.01-0.40% pepper, and 0.1-1.0% free methionine, which enhances protein utilization, digestibility, and reduces fat formation while minimizing water pollution, using a limited number of protein and hydrocarbon sources.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional fish feeds with multiple protein and carbohydrate sources are used to promote rapid growth, then growth speed is improved, but fish fattening increases and water quality deteriorates due to ammonia production
Solution Approach 1:
The patent changes the compositional parameters of the feed by specifying precise ranges for different ingredients: 40-70 wt.% cereal flour, 15-30 wt.% aquatic animal meal, 10-20 wt.% extraction meal, 0.01-0.40 wt.% pepper, and 0.1-1.0 wt.% free methionine. This parameter optimization ensures appropriate amino acid balance and protein utilization, reducing excess nitrogen excretion while maintaining growth performance
Solution Approach 2:
The patent creates a composite feed formulation combining multiple ingredients with complementary properties: cereal flour provides carbohydrates and some protein, aquatic animal meal provides high-quality protein and essential amino acids, extraction meal supplements protein content, pepper enhances digestion and metabolism, and free methionine ensures adequate essential amino acid supply. This composite approach achieves balanced nutrition that promotes growth while minimizing harmful excretions
2Productivity
If fish feed contains high proportions of fat and carbohydrates to achieve rapid weight gain, then productivity is improved, but fish fattening increases and feed cost efficiency decreases
Solution Approach 1:
The patent optimizes the macronutrient composition parameters by limiting fat and carbohydrate sources while ensuring adequate protein content through the specified ingredient ranges. The balanced formulation achieves efficient feed conversion ratio, improving weight gain per unit of feed consumed and reducing unnecessary fat deposition in fish
3Quantity of substance
If amino acid proportions in fish feed are not properly balanced, then protein content can be increased, but amino acids are metabolized and converted into ammonia causing water pollution
Solution Approach 1:
The patent precisely controls the amino acid composition parameters by incorporating free methionine (0.1-1.0 wt.%) and selecting ingredients with complementary amino acid profiles. This ensures adequate essential amino acid supply for protein synthesis, preventing the metabolism of excess amino acids into ammonia and reducing water pollution while maintaining high protein content
Data Source
AI summary
The present invention relates to a fish feed composition comprising 40-70 wt.% cereal flour, 15-30 wt.% meal from aquatic animals, 10-20 wt.% extraction meal, 0.01-0.40 wt.% pepper, and 0.1-1.0 wt.% free methionine. The use of the fish feed composition as fish food for ornamental fish is further described.